"Brave Heart Tegan" said The Doctor on many occasions. Ms. Jovanka was on her way to Heathrow to begin an airline stewardess career when The Master killed her sister, and Tegan Jovanka accidentally found her way into the TARDIS. Following that introduction to The Doctor, Tegan remained as a companion for most of Peter Davison's run, and now seemingly owns an airline?

The Season 19 Safety Video with Tegan Jovanka | Doctor Who

An important announcement from our cabin crew Tegan Jovanka regarding Season 19.